Home / 103,827.39-143,276.36-58,505.46

Finding the Fourth Proportional to 103,827.39, 143,276.36 and 58,505.46

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Solution

The fourth proportional to 103,827.39, 143,276.36 and 58,505.46 is: 80,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,827.39 : 143,276.36 = 58,505.46 : x
  2. Step 2: Convert to fraction form
    103,827.39/143,276.36 = 58,505.46/x
  3. Step 3: Cross multiply
    103,827.39x = 143,276.36 × 58,505.46
  4. Step 4: Simplify right side
    103,827.39x = 8,382,449,056.40
  5. Step 5: Solve for x
    x = 8,382,449,056.40/103,827.39
  6. Step 6: Final answer
    x = 80,734.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.